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Summary of Significant Accounting Policies (Other Income and Expense) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 03, 2019
Jan. 28, 2018
Jan. 29, 2017
Other Income and Expenses [Abstract]      
Gross advertising expense $ 1,156 $ 995 $ 955
Specific, incremental, and identifiable co-op advertising allowances $ 235 $ 198 $ 166